Home / 500,853.90-691,176.74-271,412.08

Finding the Fourth Proportional to 500,853.90, 691,176.74 and 271,412.08

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Solution

The fourth proportional to 500,853.90, 691,176.74 and 271,412.08 is: 374,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,853.90 : 691,176.74 = 271,412.08 : x
  2. Step 2: Convert to fraction form
    500,853.90/691,176.74 = 271,412.08/x
  3. Step 3: Cross multiply
    500,853.90x = 691,176.74 × 271,412.08
  4. Step 4: Simplify right side
    500,853.90x = 187,593,716,651.02
  5. Step 5: Solve for x
    x = 187,593,716,651.02/500,853.90
  6. Step 6: Final answer
    x = 374,547.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.